Granted Patent
Utility
US 5,362,965 · App. 08/059,700
Indirect method for determining oxygenate content using near-infrared absorption spectra
Inventor:
Steven M. Maggard
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: May 10, 1993
Inventor
Steven M. Maggard
Assignee (at issue)
Ashland Oil, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.